资源描述：
《外文翻译--循环流化床锅炉中燃烧煤，泥炭或木材时灰特性》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、英文原文AshbehaviourinaCFBboilerduringcombustionofcoal,peatorwoodBengt-JohanSkrifvarsa,RainerBackmana,MikkoHupaa,GeorgeSfirisb,TomasAbyhammarbandAndersLyngfeltCAboAkademiUniversity,Turku,FinlandVattenfallAB,Stockholm,SwedenChalmersUniversityofTechnology,Gothenbur
2、g,Sweden(Received19November1996；revised16June1997AbstractThispaperpresentsselectedresultsfromanextensiveon-sitemeasurementcampaignwheretheashbehaviorsina12MWCFBboilerwasstudiedduringfiringofcoal,peatandwood.Samplesweretakenfromallin-going(bedmaterial,fuel)and
3、out-goingsolidmaterialstreams(secondarycycloneandbagfilter)aswellasfromthebedandthereturnleg.Depositsampleswerefurthercollectedfromthecycloneinletandfromtwodifferentlocationsintheconvectivepath.Inaddition,theboileroperationwasmonitored,includingcollectionofop
4、erationaldata,fluegastemperatureprofilesandemissions.Thepaperdiscussesthedifferencesintheashchemistrythatweredetectedbetweenthethreedifferentcombustioncasesanddrawsconclusionsontheimpactofthechemistryonthebedagglomerationandfoulingtendencyforeachfuel.(Keyword
5、s:ashbehaviors；CFBcombustion；depositformation).INTRODUCTIONCirculatingfluidizedbedcombustionisoccasionallyconnectedwithfuelmineralmatterrelatedproblems.Thereleasedfuelmineralmatter,theash,may-18-causebothbedagglomerationinthefurnaceoftheboileraswellasdeposits
6、inotherlocations.Theheatexchangersurfaces,thecycloneandthereturnlegaretypicallysensitiveareaswheredepositsmaycauseextensiveoperationalproblems.Inadditiontophysicalparameterssuchasfluidizationcharacteristicsandmixing,theashchemistryplaysanimportantroleintheash
7、behaviour.Thispaperpresentsresultsfromanextensiveon-sitemeasurementcampaignwheretheashbehaviourina12MWCFBboilerwasstudiedduringthefiringofcoal,peatandwood.Focusisontheimpactofashchemistryonslagging,foulingandbedagglomeration.EXPERIMENTALTheboilerinwhichthemea
8、surementswereconducted,isasemi-fullscaleCFB,thatproduceshotwaterforlocaldistrictheating.Theboilerisalsoaverysuitableresearchfacilityandhaspreviouslybeensuccessfullyusedwhenaddressing,fore
